The Nakamori couple celebrated their fifth year of marriage. Husband Joe was an ordinary office worker and wife Reiko was a housewife and lived a simple but happy life. One day, a man suddenly appeared… it was Joe's younger brother, Ryoichi. Ryoichi, who is jealous of his brother and his wife, who inherited the inheritance and lives without any inconvenience, commits Reiko while Jo is sleeping. Reiko breaks down in tears while taking a shower. After this, another tragedy for the Nakamori couple…